diff --git a/libraries/AP_HAL_ChibiOS/sdcard.cpp b/libraries/AP_HAL_ChibiOS/sdcard.cpp
index 3eeb2c113c..ed04a069ed 100644
--- a/libraries/AP_HAL_ChibiOS/sdcard.cpp
+++ b/libraries/AP_HAL_ChibiOS/sdcard.cpp
@@ -164,9 +164,11 @@ void sdcard_stop(void)
 
 void sdcard_retry(void)
 {
+#ifdef USE_POSIX
     if (!sdcard_running) {
         sdcard_init();
     }
+#endif
 }
 
 #if HAL_USE_MMC_SPI